Gable Valley Roof Framing

Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.

Gable valley roof framing. On the common rafters the plumb cut is marked with a framing square for a 12 in 12 pitch 45 and cut square i e no bevel. In this article builder larry haun explains how the framing is laid out cut and installed. Whether you re tying in new gable dormers or adding a chimney cricket during roof framing giving the valley jacks a place to land is an easy task with these step by step instructions. Types of roofs the most commonly used types of pitched roof construction are the gable the hip the intersecting and the shed or lean to.

Sheathing blocking is added along the valley and the sheathing pieced in for both roof planes. It is the form most commonly used by the navy. Common types of roofs and basic framing terms. An example of each is shown in figure 2 1.

Gable a gable roof has a ridge at the center and slopes in two directions. After they re up you can snap a line to mark and trim the tails in a nice straight line to make up for any ridge warp or marking cutting and fixing errors. The ridge board is the horizontal framing member that defines the roofline in a gable roof. Like the hip rafter it extends diago nally from the top plate to the ridge.

Shed gable hip gambrel and mansard. To transition the eaves the horizontal fascia extends to the last rafter tail and a vertical return finishes the transition. It extends from one gable end to the other at the peak of the roof. It is simple in design economical to construct.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. Roofs are basically five types. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. For a good straight fascia add an extra inch or 2 to the tails of all your rafters total length.

The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. A roof for insulation solar panels and bedrooms intersecting roofs and gable ends form an interesting roofline and allow for usable space on the second level. Therefore the pitch of the valley rafter is 12 in 17. A valley rafterforms a depression in the roof instead of a hip.

In a standard gable roof the ridge. Sep 17 2014 a dutch roof has elements of both a gable roof and a hip roof. Gable roof framing calculator plan diagram with full dimensions.